ÌâÄ¿ÄÚÈÝ

Èçͼʾ£¬Á¬½ÓƽÐнðÊô°åP1ºÍP2£¨°åÃæ´¹Ö±ÓÚÖ½Ã棩µÄµ¼ÏßµÄÒ»²¿·ÖCDºÍÁíÒ»Á¬½Óµç³ØµÄ»Ø·µÄÒ»²¿·ÖGHƽ£¬CDºÍGH¾ùÔÚֽƽÃæÄÚ£¬½ðÊô°åÖÃÓڴų¡ÖУ¬´Å³¡·½Ïò´¹Ö±ÓÚÖ½ÃæÏòÀµ±Ò»ÊøµÈÀë×ÓÌåÉäÈëÁ½½ðÊô°åÖ®¼äʱ£¬CD¶Îµ¼Ïß½«Êܵ½Á¦µÄ×÷Ó㨠    £©

A£®µÈÀë×ÓÌå´ÓÓÒ·½ÉäÈëʱ£¬CDÊÜÁ¦µÄ·½Ïò±³ÀëGH

B£®µÈÀë×ÓÌå´ÓÓÒ·½ÉäÈëʱ£¬CDÊÜÁ¦µÄ·½ÏòÖ¸ÏòGH

C£®µÈÀë×ÓÌå´Ó×ó·½ÉäÈëʱ£¬CDÊÜÁ¦µÄ·½Ïò±³ÀëGH

D£®µÈÀë×ÓÌå´Ó×ó·½ÉäÈëʱ£¬CDÊÜÁ¦µÄ·½ÏòÖ¸ÏòGH

 

 

 

 

 

 

 

 

 

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨2008?¶«³ÇÇøÈýÄ££©£¨1£©ÔÚ¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±µÄʵÑéÖУ¬´òµã¼ÆʱÆ÷½ÓÔÚµçѹΪE£¬ÆµÂÊΪf£¬µÄ½»Á÷µçÔ´ÉÏ£¬ÔÚʵÑéÖдòÏÂÒ»ÌõÀíÏëÖ½´ø£¬Èçͼ1Ëùʾ£¬Ñ¡È¡Ö½´øÉÏ´ò³öµÄÁ¬Ðø5¸öµãA¡¢B¡¢C¡¢D¡¢E£¬²â³öAµã¾àÆðʼµãµÄ¾àÀëΪs0£¬µãAC¼äµÄ¾àÀëΪs1£¬µãCE¼äµÄ¾àÀëΪs2£¬ÒÑÖªÖØ´¸µÄÖÊÁ¿Îªm£¬µ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪg£¬Ôò£º

¢Ù´ÓÆðʼµãOµ½´òÏÂCµãµÄ¹ý³ÌÖУ¬ÖØ´¸ÖØÁ¦ÊÆÄܵļõÉÙÁ¿Îª¡÷EP=
mg£¨S0+S1£©
mg£¨S0+S1£©
£¬ÖØ´¸¶¯ÄܵÄÔö¼ÓÁ¿Îª¡÷EK
m(s1+s2)2f2
32
m(s1+s2)2f2
32
£®
¢Ú¸ù¾ÝÌâÖÐÌṩµÄÌõ¼þ£¬¿ÉÇó³öÖØ´¸Êµ¼ÊÏÂÂäµÄ¼ÓËÙ¶Èa=
(s2-s1)f2
4
(s2-s1)f2
4
£¬ËüºÍµ±µØµÄÖØÁ¦¼ÓËÙ¶Èg½øÐбȽϣ¬Ôòa
СÓÚ
СÓÚ
g£¨Ìî´óÓÚ£¬µÈÓÚ£¬Ð¡ÓÚ£©£®
£¨2£©Èçͼ2¸ø³öÆ÷²ÄΪ£ºµçÔ´E£¨µç¶¯ÊÆΪ12V£¬ÄÚ×è²»¼Æ£©£¬Ä¾°åN£¨°åÉÏ´ÓÏÂÍùÉÏÒÀ´Îµþ·Å°×Ö½¡¢¸´Ð´Ö½¡¢µ¼µçÖ½¸÷Ò»ÕÅ£©£¬Á½¸ö½ðÊôÌõA¡¢B£¨Æ½ÐзÅÖÃÔÚµ¼µçÖ½ÉÏ£¬Óëµ¼µçÖ½½Ó´¥Á¼ºÃ£¬ÓÃ×÷µç¼«£©£¬»¬Ïß±ä×èÆ÷R£¨Æä×Ü×èֵСÓÚÁ½Æ½Ðе缫¼äµ¼µçÖ½µÄµç×裩£¬Ö±Á÷µçѹ±í£¨Á¿³ÌΪ6V£¬ÄÚ×èºÜ´ó£¬Æ为½ÓÏßÖùÓëB¼«ÏàÁ¬£¬Õý½ÓÏßÖùÓë̽ÕëPÏàÁ¬£©£¬¿ª¹ØK£®ÏÖÒªÓÃͼÖÐÒÇÆ÷Ãè»æÁ½Æ½ÐнðÊôÌõAB¼äµç³¡ÖеĵÈÊÆÏߣ®AB¼äµÄµçѹҪÇóȡΪ6V£®
£¨¢ñ£©ÔÚͼ2ÖÐÁ¬Ïߣ¬»­³ÉʵÑéµç·ԭÀíͼ£®
£¨¢ò£©ÏÂÃæÊÇÖ÷ÒªµÄʵÑé²Ù×÷²½Ö裬½«ËùȱµÄÄÚÈÝÌîдÔÚºáÏßÉÏ·½£®
a£®½ÓºÃʵÑéµç·£®
b£®
°Ñ±ä×èÆ÷µÄ»¬¶¯´¥Í·ÒƵ½¿¿½üD¶Ë´¦
°Ñ±ä×èÆ÷µÄ»¬¶¯´¥Í·ÒƵ½¿¿½üD¶Ë´¦
£®
c£®ºÏÉÏK£¬²¢½«Ì½ÕëPÓëAÏà½Ó´¥£®
d£®
µ÷½ÚR£¬Ê¹µçѹ±í¶ÁÊýΪ6V
µ÷½ÚR£¬Ê¹µçѹ±í¶ÁÊýΪ6V
£®
e£®ÓÃ̽ÕëѹӡµÄ·½·¨°ÑA¡¢BµÄλÖñê¼ÇÔÚ°×Ö½ÉÏ£®»­Ò»Ï߶ÎÁ¬½ÓABÁ½¼«£¬ÔÚÁ¬ÏßÉÏÑ¡È¡¼ä¾à´óÖÂÏàµÈµÄ5¸öµã×÷Ϊ»ù×¼µã£¬ÓÃ̽Õë°ÑËüÃǵÄλÖÃÓ¡ÔÚ°×Ö½ÉÏ£®
f£®½«Ì½ÕëÓëijһ»ù×¼µãÏà½Ó´¥£¬
¼Çϵçѹ±í¶ÁÊý£¬ÔÚµ¼µçÖ½ÉÏÒƶ¯Ì½Õ룬ÕÒ³öµçѹ±í¶ÁÊýÓëËù¼ÇϵÄÊýÖµÏàͬµÄÁíÒ»µã
¼Çϵçѹ±í¶ÁÊý£¬ÔÚµ¼µçÖ½ÉÏÒƶ¯Ì½Õ룬ÕÒ³öµçѹ±í¶ÁÊýÓëËù¼ÇϵÄÊýÖµÏàͬµÄÁíÒ»µã
£¬ÕâÒ»µãÊÇ´Ë»ù×¼µÄµÈÊƵ㣮ÓÃ̽Õë°ÑÕâÒ»µãµÄλÖÃҲѹӡÔÚ°×Ö½ÉÏ£®ÓÃÏàͬµÄ·½·¨ÕÒ³ö´Ë»ù×¼µãµÄÆäËüµÈÊƵ㣮
g£®Öظ´²½Öèf£¬ÕÒ³öÆäËü4¸ö»ù×¼µãµÄµÈÊƵ㣮ȡ³ö°×Ö½»­³ö¸÷ÌõµÈÊÆÏߣ®
£¨3£©Èçͼ3ÊǶàÓñíµÄ¿Ì¶ÈÅÌ£¬µ±Ñ¡ÓÃÁ¿³ÌΪ50mAµÄµçÁ÷µµ²âÁ¿µçÁ÷ʱ£¬±íÕëÖ¸ÓÚͼʾλÖã¬ÔòËù²âµçÁ÷Ϊ
30.7
30.7
mA£»ÈôÑ¡Óñ¶ÂÊΪ¡°¡Á100¡±µÄµç×èµµ²âµç×èʱ£¬±íÕëҲָʾÔÚͼʾͬһλÖã¬ÔòËù²âµç×èµÄ×èֵΪ
1.5¡Á103
1.5¡Á103
¦¸£®Èç¹ûÒªÓô˶àÓñí²âÁ¿Ò»¸öÔ¼2.0¡Á104¦¸µÄµç×裬ΪÁËʹ²âÁ¿±È½Ï¾«È·£¬Ó¦Ñ¡µÄÅ·Ä·µµÊÇ
¡Á1K
¡Á1K
£¨Ñ¡Ìî¡°¡Á10¡±¡¢¡°¡Á100¡±»ò¡°¡Á1K¡±£©£®»»µµ½áÊøºó£¬ÊµÑé²Ù×÷ÉÏÊ×ÏÈÒª½øÐеIJ½ÖèÊÇ
Å·Ä·µ÷Á㣮
Å·Ä·µ÷Á㣮
£®

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø